An elephant enjoys its back being scrubbed by the keeper on March 1, 1950. (Photo by Fox Photos/Getty Images)

Models present creations during the PARIA/FARZANEH catwalk at London Fashion Week Men's in London, Britain June 10, 2019. (Photo by Henry Nicholls/Reuters)

A woman with an elaborate hat poses during Glastonbury Festival at Worthy farm in Somerset, Britain on June 27, 2019. (Photo by Henry Nicholls/Reuters)

Tens of thousands of HIV positive prostitutes in the slums of Lagos to ensure a rapid spread of the epidemic. “If you arrive by car, you can smell the HIV virus outside”, joked my driver as we are on track to Badia a criminal slums of Lagos. Badia is a corruption of “Bad Area”. Nigerians have a lack of everything, except black humor. The poor West African country Nigeria, with a population of 140 million people, after India and South Africa the highest number of people with HIV / AIDS. (Photo by Ton Koene/Exclusivepix Media)

Buddhist monks take shelter under a tarpaulin sheet to protect themselves from the rain as they attend the birthday celebrations of the Tibetan spiritual leader the Dalai Lama (unseen) at Drepung Loseling Monastery in Mundgod, in the southern state of Karnataka, India, July 6, 2016. (Photo by Abhishek N. Chinnappa/Reuters)

Actor Robert De Niro presents the Guy Movie Hall of Fame award onstage during Spike TV's 5th annual 2011 “Guys Choice” Awards at Sony Pictures Studios on June 4, 2011 in Culver City, California. (Photo by Kevin Winter/Getty Images)

Bigfoot Fastrax crushes cars during the monster truck rally at Anaheim Stadium in 1989 in Anaheim, California. Photo by: Tim Defrisco/Getty Images

This Saturday, July 22, 2017 photo released by Tokyo Zoological Park Society, shows a giant panda cub at Ueno Zoo in Tokyo. The baby panda, born in June, got a check up on Saturday. (Photo by Tokyo Zoological Park Society via AP Photo)